title: Relationship between litter birth weight and litter size in six breeds of sheep.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D001724:Birth Weight / Q000502:physiology*; D001947:Breeding; D005314:Embryonic and Fetal Development / Q000502:physiology; D004734:Energy Metabolism / Q000502:physiology; D005260:Female; D005333:Fetus / Q000378:metabolism; D008098:Litter Size / Q000502:physiology*; D011247:Pregnancy; D012756:Sheep / Q000196:embryology / Q000235:genetics / Q000502:physiology*